Selina solutions

Selina solutions

Grade 7

Lines and Angles (Including Construction of angles) | Exercise 14(B)

Question 1

Q1) In questions 1 and 2, given below, identify the given pairs of angles as corresponding angles, interior alternate angles, exterior alternate angles, adjacent angles, vertically opposite angles or allied angles :

(i) ∠3 and ∠6

(ii) ∠2 and ∠4

(iii) ∠3 and ∠7

(iv) ∠2 and ∠7

(v) ∠4 and∠6

(vi) ∠1 and ∠8

(vii) ∠1 and ∠5

(viii) ∠1 and ∠4

(ix) ∠5 and ∠7

Solution:

(i) ∠3 and ∠6 are interior alternate angles

(ii) ∠2 and ∠4 are adjacent angles.

(iii) ∠3 and ∠7 corresponding angles

(iv) ∠2 and ∠7 are exterior alternate angles.

(v) ∠4 and∠6 are co-interior angles.

(vi) ∠1 and ∠8 are exterior alternate angles.

(vii) ∠1 and ∠5 corresponding angles

(viii) ∠1 and ∠4 are vertically opposite angles.

(ix) ∠5 and ∠7 are adjacent angles.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your mathematics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta

Question 1

Q1) In questions 1 and 2, given below, identify the given pairs of angles as corresponding angles, interior alternate angles, exterior alternate angles, adjacent angles, vertically opposite angles or allied angles :

(i) ∠3 and ∠6

(ii) ∠2 and ∠4

(iii) ∠3 and ∠7

(iv) ∠2 and ∠7

(v) ∠4 and∠6

(vi) ∠1 and ∠8

(vii) ∠1 and ∠5

(viii) ∠1 and ∠4

(ix) ∠5 and ∠7

Solution:

(i) ∠3 and ∠6 are interior alternate angles

(ii) ∠2 and ∠4 are adjacent angles.

(iii) ∠3 and ∠7 corresponding angles

(iv) ∠2 and ∠7 are exterior alternate angles.

(v) ∠4 and∠6 are co-interior angles.

(vi) ∠1 and ∠8 are exterior alternate angles.

(vii) ∠1 and ∠5 corresponding angles

(viii) ∠1 and ∠4 are vertically opposite angles.

(ix) ∠5 and ∠7 are adjacent angles.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your mathematics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
linkedin instgram facebook youtube
2020 © Quality Tutorials Pvt Ltd All rights reserved
linkedin instgram facebook youtube